Finding the Third Proportional to 13,385.91 and 18,803.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,385.91 : 18,803.06 = 18,803.06 : x
2. Step 2: Convert to fraction form
   13,385.91/18,803.06 = 18,803.06/x
3. Step 3: Cross multiply
   13,385.91x = 18,803.06 × 18,803.06
4. Step 4: Simplify right side
   13,385.91x = 353,555,159.38
5. Step 5: Solve for x
   x = 353,555,159.38/13,385.91
6. Step 6: Final answer
   x = 26,412.49